package site.wlwsjsx.iot_backend.service;

import site.wlwsjsx.iot_backend.entity.UserInfo;

public interface UserService {
    int txSaveUser(UserInfo userInfo);

    int txRemoveUserById(int id);

    int txChangeUser(UserInfo userInfo);

    UserInfo findUserByUsername(String username);

    UserInfo findUserById(Integer userId);
}
